Download Sig Fig Worksheet

Chapter 1: Unit Conversion, Sig Fig Worksheet & Scientific
Notation Worksheet
A. Conversions:
Conversions
1 hour = 3600 seconds
1 meter = 3.28 feet
1 kg = 2.2 lbs
1 foot = 12 inches
1 mile = 5280 feet
1 km = 0.62 miles
1 lb = 0.45 kg
1 inch = 2.54 cm = 25.4 mm
1 yard = 3 feet
1 light second = 300,000,000 meters
1 m/s = 2.2 miles/hour
Convert the following quantities.
1. 565,900 seconds into days
2. 17 years into minutes
3. 60 miles per hour into meters per second
4. 130 meters per second into miles per hour
B. Significant Digits
a. Give the number of significant digits in each of the following measurements:
5. 120000
__________
6. 823.012
__________
7. 0.147
__________
8. 90027.00
__________
9. 0.005789
__________
10. 6271.91
__________
11. 0.0053567 __________
12. 2.60
__________
13.
__________
14. 670
15. 542000.
__________
16. 3.47
__________
6
__________
b. Round off the following numbers to three significant digits:
17. 120000
_______________
18. 5.457
_______________
19. 43.659
______________
20. 0.0008769 _______________
c. Perform the following operations giving the proper number of significant figures in the answer:
21. 23.4 x 14
_______________
22. 0.005 - 0.0007
_______________
23. 7.895 + 3.4
_______________
24. 7.895 / 34
_______________
25. 0.0945 x 1.47
_______________
26. 0.2 / 0.0005
_______________
27. (8.71 x 0.0301)/0.056 = _______________ 27. (7.6 x 104) (5.823 x 10-3) =_______________
C. Write each number in scientific notation.
28. 0.07882 =
29. 0.00002786 =
30. 87200 =
31. 74171.7 =
32. 0.0000085 =
33. 0.000000664 =
34. 0.00000272338 =
35. 770 =
Write each number in standard format.
36. 3.443 × 10-7 =
37. 7.75763 × 10-7 =
38. 5.8 × 10-7 =
39. 1.525 × 106 =
40. 6.58157 × 107 =
41. 5.1821 × 10-4 =
42. 1.21 × 10-7 =
43. 5.2314 × 10-7 =
D. Literal Equations
44. Solve for X:
46. Solve for v:
ay cb

x
s
v2
a
2d
45. Solve
for d:
47. Solve for a:
v2f  vi2  2ad
y  vi t  at 2